So, why not just use your guitar's volume knob? Well, that can darken the tone to an unwanted degree, whereas the Underdrive turns down the midrange where the overdrive largely comes from, but has bass, midrange and treble knobs to get that cleaner tone sitting just right.

It all works really well, too. With the pedal's volume control setting exactly how much the signal to your amp is reduced, youcan clean up a dirty sound while keeping your EQ just where you want it. A bonus is you can use it as a booster if you turn the midrange knob up.